Which of the following is the outermost feature on the surface of a plant cell?

a. cholesterol
b. cell wall
c. sugar molecules
d. glycoproteins
e. lipid bilayer


Ans: b. cell wall

Biology & Microbiology

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Which of the molecules below is NOT a subunit for building macromolecules?

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You work for a successful company that sells maternity clothes. They have asked you to evaluate whether Australia or Singapore would be a better country to expand into with new stores. What keyword will help you find the data you need to make this evaluation? 

A. range expansion B. dispersal C. metapopulation D. demographics

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Placing organisms at 4°C is ________.

A. sterilization B. bacteriostatic C. bactericidal D. germicidal E. decontamination

Biology & Microbiology

By what process do bacteria reproduce?

A) competitive fusion B) meiosis C) plasmid replication D) binary fission

Biology & Microbiology